Home / 521,382.12-719,565.84-295,042.20

Finding the Fourth Proportional to 521,382.12, 719,565.84 and 295,042.20

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Solution

The fourth proportional to 521,382.12, 719,565.84 and 295,042.20 is: 407,191.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    521,382.12 : 719,565.84 = 295,042.20 : x
  2. Step 2: Convert to fraction form
    521,382.12/719,565.84 = 295,042.20/x
  3. Step 3: Cross multiply
    521,382.12x = 719,565.84 × 295,042.20
  4. Step 4: Simplify right side
    521,382.12x = 212,302,288,478.45
  5. Step 5: Solve for x
    x = 212,302,288,478.45/521,382.12
  6. Step 6: Final answer
    x = 407,191.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.